Simple in design: The pneumatic system used in automobiles
is very simple in design. It is operated via simple on-off control
system. A small compressor is used in this system to provide large
volumes of stored energy for intermittent services.

Reliability: The pneumatic system is more reliable than
other systems because compressible gas is used. So the equipment is
subjected to less vibration and damage is less likely to occur.

Environmental Friendly: The working fluid used in this
system is air; no pollutant is produced. Compressed air is safe to
use in almost any environment; it doesn’t present a fire hazard. It
is also unaffected by temperature and radiation. Compressed air
does not mess up the equipment and there is no toxic chemical
material added that may damage the equipment.

Economical: Air used as working fluid in this system is
easily available in nature; the cost of the pneumatic system is
quite low compared with those of other systems. A small compressor
is used to provide large volumes of stored energy for intermittent
services.

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Disadvantages:

Small loading capacity: The pneumatic system is not used for
high loading capacity purposes as the cylinders used are not very
large.

High compression cost: An expensive compressor is used to
compress the air so the cost of compressing air is quite high.

Noise: The reciprocating motion arrangement used creates
noise. When air is removed from the system, noise produced is very
loud and may be irritating